From 06cb4d25ef40773e2cc516e50a9aeec6cbe1d0a8 Mon Sep 17 00:00:00 2001
From: tv <tv@shackspace.de>
Date: Tue, 28 Jul 2015 21:38:22 +0200
Subject: */krebs -> krebs/*

---
 krebs/5pkgs/genid.nix | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 krebs/5pkgs/genid.nix

(limited to 'krebs/5pkgs/genid.nix')

diff --git a/krebs/5pkgs/genid.nix b/krebs/5pkgs/genid.nix
new file mode 100644
index 000000000..c75bec317
--- /dev/null
+++ b/krebs/5pkgs/genid.nix
@@ -0,0 +1,22 @@
+{ lib, pkgs, ... }:
+
+pkgs.writeScriptBin "genid" ''
+  #! /bin/sh
+  # usage: genid NAME
+  set -euf
+
+  export PATH=${lib.makeSearchPath "bin" (with pkgs; [
+    bc
+    coreutils
+  ])}
+
+  name=$1
+  hash=$(printf %s "$name" | sha1sum | cut -d\  -f1 | tr a-f A-F)
+  echo "
+    min=2^24  # bigger than nobody and nogroup, see <nixos/modules/misc/ids.nix>
+              # and some spare for stuff like lxd.
+    max=2^32  # see 2^(8*sizeof(uid_t))
+    ibase=16
+    ($hash + min) % max
+  " | bc
+''
-- 
cgit v1.2.3

[cgit] Unable to lock slot /tmp/cgit/c3300000.lock: No such file or directory (2)